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Priyam Kumar De04/05/2026, 18:00Poster
Charge transfer (CT) processes in donor–acceptor systems are central to photochemical and optoelectronic applications; however, the microscopic factors governing ultrafast transfer remain incompletely understood. Recent experiments on the PM605–TCNQ donor–acceptor system report ultrafast CT (~180 fs) outside an optical cavity. Upon coupling to cavity modes, the energetic driving force is...
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Ilmari Rosenkampff (Division of Chemical Physics, Lund University, Lund, Sweden)04/05/2026, 18:00Poster
Understanding spectroscopic signatures of polaritonic systems is essential for probing processes in polariton-controlled chemistry and photovoltaic devices. Transient absorption spectroscopy enables the study of energy transfer pathways between polaritons and dark states, as well as between dark states, which evolve on picosecond (ps) timescales, in contrast to the femtosecond (fs) decay of...
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Vladislav Shishkov (Macroscopic Quantum Optics (MQO) Labs, Department of Applied Physics, Aalto University School of Science, FI-00076 Espoo, Finland)04/05/2026, 18:00Poster
Entanglement generation in polariton systems is fundamentally constrained by high losses and decoherence, which typically outweigh polariton nonlinearities. Here, we propose a conceptually different approach that uses optomechanical interactions, rather than polariton–polariton interactions, to generate entangled polaritons. Our double-resonant scheme relies on strong exciton-phonon coupling,...
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Thrisha Swaminathan (University of Gothenburg)04/05/2026, 18:00Poster
Strong light–matter coupling in optical microcavities offers a promising route to manipulate molecular processes by engineering the electromagnetic vacuum field.(1,2) In this work, we propose to investigate polariton-mediated electron transfer in donor–acceptor systems, using BODIPY based donor and TCNQ acceptor embedded in silver Fabry–Pérot microcavities. This platform is designed to...
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Gábor Halász (University of Debrecen)04/05/2026, 18:00Poster
Light-induced nonadiabatic effects can arise from the interaction of a molecule with the quantized electromagnetic field of a Fabry−Pérot or plasmonic nanocavity. In this context, the quantized radiation field mixes the vibrational, rotational, and electronic degrees of freedom. In this work, we investigate the photodissociation dynamics of a rotating hydrogen molecule within a lossy plasmonic...
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Shivani Verma (University of Jyväskylä)04/05/2026, 18:00Poster
Recent experiments have shown that vibrational strong coupling (VSC), a cavity quantum electrodynamics phenomenon, can alter chemical reactivity by changing kinetics, mechanisms, and product distributions.[1-4] VSC arises from the formation of hybrid light–matter states when molecular vibrations couple to photonic cavity modes, enabling modification of molecular wavefunctions without external...
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Mathis Noell (University of Potsdam)04/05/2026, 18:00Poster
A detailed understanding of polariton composition is essential for unraveling the mechanisms underlying polaritonic chemistry. This work addresses vibropolaritons formed by infrared-active molecules in Fabry-Pérot cavities. In most theoretical descriptions, the polariton composition is modeled using the Jaynes–Cummings framework, or its extension to many emitters, the Tavis–Cummings model....
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Niclas Krupp (University of Heidelberg)04/05/2026, 18:00Poster
Strong light-matter coupling offers a route to tunable and enhanced energy transport in organic materials via exciton-polaritons. These quasiparticles enable long-range ballistic flow, as observed in recent ultrafast microscopy experiments. However, experimental transport regimes vary from ballistic to diffusive, and the governing material properties remain unclear.
I will present...
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János Sarka04/05/2026, 18:00Poster
In this work, the weakly bound HCl dimer is investigated in order to study rotational polaritons formed in THz/microwave cavities. The rotational levels of this near prolate symmetric top system are computed by solving the nuclear-motion Schrödinger equation using the fourth-age of quantum chemistry GENIUSH code [1-3]. In these calculations, all inter-molecular degrees of freedom are treated...
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Helena Poulose (University of Potsdam)04/05/2026, 18:00Poster
Polaritonic chemistry bears the potential to tune molecular properties and steer chemical reactions by direct and controlled manipulation of strong light-matter interactions1, i.e. vibropolaritons formed under vibrational strong coupling (VSC) between the confined electromagnetic field in Fabry Perot cavities and molecular modes. However, experimental insights into the fundamental mechanisms...
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